626118984e
This replaces the deprecated DrawData mechanism by the usage of the update timestamp `last_update`. The compositor keeps the `last_update` value of the cached ID and compares it with the value on the ID at the time of evaluation. Rel #134690 Pull Request: https://projects.blender.org/blender/blender/pulls/134878
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include <cstdint>
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#include <memory>
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#include <string>
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#include "BLI_map.hh"
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#include "BLI_math_vector_types.hh"
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#include "DNA_mask_types.h"
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#include "COM_cached_resource.hh"
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#include "COM_result.hh"
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namespace blender::compositor {
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class Context;
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/* ------------------------------------------------------------------------------------------------
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* Cached Mask Key.
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*/
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class CachedMaskKey {
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public:
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int2 size;
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float aspect_ratio;
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bool use_feather;
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int motion_blur_samples;
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float motion_blur_shutter;
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CachedMaskKey(int2 size,
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float aspect_ratio,
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bool use_feather,
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int motion_blur_samples,
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float motion_blur_shutter);
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uint64_t hash() const;
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};
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bool operator==(const CachedMaskKey &a, const CachedMaskKey &b);
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/* -------------------------------------------------------------------------------------------------
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* Cached Mask.
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*
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* A cached resource that computes and caches a result containing the result of evaluating the
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* given mask ID on a space that spans the given size, parameterized by the given parameters. */
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class CachedMask : public CachedResource {
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private:
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Array<float> evaluated_mask_;
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public:
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Result result;
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CachedMask(Context &context,
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Mask *mask,
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int2 size,
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int frame,
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float aspect_ratio,
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bool use_feather,
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int motion_blur_samples,
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float motion_blur_shutter);
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~CachedMask();
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};
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/* ------------------------------------------------------------------------------------------------
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* Cached Mask Container.
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*/
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class CachedMaskContainer : CachedResourceContainer {
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private:
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Map<std::string, Map<CachedMaskKey, std::unique_ptr<CachedMask>>> map_;
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/* A map that stores the update counts of the masks at the moment they were cached. */
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Map<std::string, uint64_t> update_counts_;
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public:
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void reset() override;
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/* Check if the given mask ID has changed since the last time it was retrieved through its
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* recalculate flag, and if so, invalidate its corresponding cached mask and reset the
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* recalculate flag to ready it to track the next change. Then, check if there is an available
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* CachedMask cached resource with the given parameters in the container, if one exists, return
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* it, otherwise, return a newly created one and add it to the container. In both cases, tag the
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* cached resource as needed to keep it cached for the next evaluation. */
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Result &get(Context &context,
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Mask *mask,
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int2 size,
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float aspect_ratio,
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bool use_feather,
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int motion_blur_samples,
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float motion_blur_shutter);
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};
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} // namespace blender::compositor
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